The site is way for Microsoft to show off what it is working on behind the scenes, with smarter applications that can use facial recognition and huge amounts of data to make intelligent guesses. Supposedly, the app learns over time from the data everyone uploads, improving and becoming more accurate as more people use it.

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How-Old.net is not highly accurate, but it’s close, and it is getting better. It thinks I am 23 years old, which is a few years shy of my real age of 130 (or 28 if you are a stickler for the truth).